diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 96a46ec..6e67b07 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         os: [ ubuntu-latest ]
         #ruby: [ '2.3', '2.5', '2.6', '2.7', '3.0', jruby-9.2 ]
-        ruby: [ 2.3, 2.5, 2.6, 2.7, '3.0', 3.1, jruby-9.2, jruby-9.3, truffleruby-21.2 ]
+        ruby: [ 2.3, 2.5, 2.6, 2.7, '3.0', 3.1, jruby-9.2, jruby-9.3, truffleruby-22.3 ]
         experimental: [ false ]
       fail-fast: false
     runs-on: ${{matrix.os}}